How do scientists measure distance outside of the solar system

Two resistors, R1=2.79 Ω and R2=6.37 Ω, are connected in series to a battery with an EMF of 24.0 V and negligible internal resistance. Find the current I1 through R1 and the potential difference V2 across R2.

Which term refers to the upper part of a glacier that receives the most snowfall? A. accumulation zone B. ablation zone C. terminus D. arete

The density of mercury is 13.6 g/cm3 calculate the mass of 1 cm3 of mercury

Which of the following bestdescribes how energy is transferred in a food web?

What is sin (77°) ? A. 4.33 B. 0.97 C. 0.22 D. 0.77

How much work must you do to push a 12 kg block of steel across a steel table at a steady speed of 1.3 m/s for 7.6 s? the coefficient of kinetic friction for steel on steel is 0.60?

An Archer needs to hit a bull's-eye On Target at eye level of 60 feet away is the Archer fires the arrow from the eye level with a speed of 47 ft/s at an angle of 25 degrees above the horizontal, will the arrow hit the target

What type of wave is a sound wave A. transverse wave B. longitudinal wave C. light wave D. elctromatic wave

Na+/k+-atpase is considered to be an electrogenic pump because

If the period of a wave is 0.05 s, then what is its frequency?